The best players in industrial supply management?

Question

I'm conducting the research, please name the most dominant players on the industrial supply management. I need it urgently. 

Thanks in advance

Answer 1

Tose are that I could find with high rates , they are not rated by efficiency

Northtrop Grumman Corp

Supply Pro

Yantra Corp

Eagle Global Logistics

General Electric Co.

Answer 2

There are four kinds of participants in every supply chain. They perform the activities that make a supply chain work and provide a reason for it to exist. These participants are 1) producers; 2) distributors or wholesalers; 3) retailers; and 4) customers or consumers.